CPJ012403 KDK(PS) 7075-T6 Aluminum M4-type Mil Spec Cerro Forged Matching Upper / Lower Receiver AR-15 MPI tested Bolt Carrier Assembly 6 Position Mil Spec Collapsible hogue Stock Assembly A2 Style 5 Port Flash hider Mil Spec Charging Handle 16".223/5.56 Nato Barrel Carbine Gas System 1:8 Mil Spec Lower Parts Kit w/ hogue MOE Grip 15" Super Slim Hybrid M-LOK Handguard Overall Approx length 32" Weight 7.0 lbs Hogue AR-15/M-16 OverMolded Collapsible Buttstock (Mil-spec) AR-15 / M16 Kit: OverMolded Beavertail Grip & Collapsible Buttstock (Fits Commercial Buffer Tube) - Pink